May Weather in Mizusawa, Japan

Last updated: August 23, 2025

In Mizusawa, Japan, the average temperature in May is a comfortable 14°C (58°F), with fluctuations ranging from a minimum of 3°C (38°F) to a maximum of 30°C (87°F). Be prepared for some rain, as 114 mm (4.5 in) of precipitation is expected over approximately 13 days. Additionally, the weather tends to be quite humid, with an average humidity level of 80%.

May Temperature in Mizusawa

In May in Mizusawa, the average temperature is 14°C (58°F). Maximum temperatures can reach 30°C (87°F), while minimums can drop as low as 3°C (38°F). This variability makes it important to pack for both warm and cool weather when traveling during this time.

May Weather in Mizusawa: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mizusawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mizusawa, May typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (87°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec293039475864727466554333
Data source: Temperature data for Mizusawa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Mizusawa

In Mizusawa in May, the total precipitation amount is 114 mm (4.5 in), distributed over the course of 13 days.

May Precipitation Trends in Mizusawa

The chart displays monthly precipitation patterns in Mizusawa, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Mizusawa, May typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec56691071191141291821671171545678
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mizusawa

In Mizusawa in May humidity is 80%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities sweltering and uncomfortable for travel.

May Average Humidity in Mizusawa

This chart illustrates the average monthly humidity levels in Mizusawa, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Mizusawa is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mizusawa

In Mizusawa in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Mizusawa.

Maximum UV Index Levels in Mizusawa for May

The chart shows the monthly maximum UV Index (UVI) for Mizusawa in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Mizusawa typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010109643
Data source: Mizusawa May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Mizusawa Compares to Other Months

Weather in Mizusawa varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Mizusawa, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Mizusawa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)56 mm (2.2 inches)80%moderate
February Weather-1°C (31°F)69 mm (2.7 inches)79%moderate
March Weather4°C (39°F)106 mm (4.2 inches)77%high
April Weather8°C (47°F)119 mm (4.7 inches)75%very high
May Weather14°C (58°F)114 mm (4.5 inches)80%very high
June Weather18°C (65°F)129 mm (5.1 inches)87%very high
July Weather22°C (72°F)182 mm (7.2 inches)92%very high
August Weather23°C (74°F)167 mm (6.6 inches)92%very high
September Weather19°C (67°F)117 mm (4.6 inches)86%very high
October Weather13°C (55°F)154 mm (6.1 inches)82%high
November Weather6°C (44°F)56 mm (2.2 inches)79%moderate
December Weather1°C (33°F)78 mm (3.1 inches)80%moderate

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